443 lines
12 KiB
PHP
443 lines
12 KiB
PHP
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<?php
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namespace W3TC;
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/**
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* class Cdn_Environment
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*/
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class Cdn_Environment {
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public function __construct() {
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add_filter( 'w3tc_browsercache_rules_section_extensions',
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array( $this, 'w3tc_browsercache_rules_section_extensions' ),
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10, 3 );
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add_filter( 'w3tc_browsercache_rules_section',
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array( $this, 'w3tc_browsercache_rules_section' ),
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10, 3 );
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}
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/**
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* Fixes environment in each wp-admin request
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*
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* @param Config $config
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* @param bool $force_all_checks
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* @throws Util_Environment_Exceptions
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*/
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public function fix_on_wpadmin_request( $config, $force_all_checks ) {
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$exs = new Util_Environment_Exceptions();
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if ( $config->get_boolean( 'config.check' ) || $force_all_checks ) {
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if ( $config->get_boolean( 'cdn.enabled' ) ) {
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$this->rules_add( $config, $exs );
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} else {
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$this->rules_remove( $exs );
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}
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}
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if ( count( $exs->exceptions() ) > 0 )
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throw $exs;
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}
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/**
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* Fixes environment once event occurs
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*
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* @param Config $config
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* @param string $event
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* @param Config|null $old_config
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* @throws Util_Environment_Exceptions
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*/
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public function fix_on_event( $config, $event, $old_config = null ) {
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if ( $config->get_boolean( 'cdn.enabled' ) &&
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!Cdn_Util::is_engine_mirror( $config->get_string( 'cdn.engine' ) ) ) {
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if ( $old_config != null &&
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$config->get_integer( 'cdn.queue.interval' ) !=
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$old_config->get_integer( 'cdn.queue.interval' ) ) {
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$this->unschedule_queue_process();
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}
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if ( !wp_next_scheduled( 'w3_cdn_cron_queue_process' ) ) {
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wp_schedule_event( time(),
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'w3_cdn_cron_queue_process', 'w3_cdn_cron_queue_process' );
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}
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} else {
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$this->unschedule_queue_process();
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}
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if ( $config->get_boolean( 'cdn.enabled' ) &&
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$config->get_boolean( 'cdn.autoupload.enabled' ) &&
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!Cdn_Util::is_engine_mirror( $config->get_string( 'cdn.engine' ) ) ) {
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if ( $old_config != null &&
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$config->get_integer( 'cdn.autoupload.interval' ) !=
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$old_config->get_integer( 'cdn.autoupload.interval' ) ) {
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$this->unschedule_upload();
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}
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if ( !wp_next_scheduled( 'w3_cdn_cron_upload' ) ) {
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wp_schedule_event( time(),
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'w3_cdn_cron_upload', 'w3_cdn_cron_upload' );
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}
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} else {
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$this->unschedule_upload();
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}
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$exs = new Util_Environment_Exceptions();
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if ( $config->get_boolean( 'cdn.enabled' ) ) {
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try {
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$this->handle_tables(
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$event == 'activate' /* drop state on activation */,
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true );
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} catch ( \Exception $ex ) {
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$exs->push( $ex );
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}
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}
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if ( count( $exs->exceptions() ) > 0 )
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throw $exs;
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}
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/**
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* Fixes environment after plugin deactivation
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*/
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public function fix_after_deactivation() {
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$exs = new Util_Environment_Exceptions();
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$this->rules_remove( $exs );
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$this->handle_tables( true, false );
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if ( count( $exs->exceptions() ) > 0 )
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throw $exs;
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}
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/**
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* Returns required rules for module
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*
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* @param Config $config
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* @return array|null
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*/
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function get_required_rules( $config ) {
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if ( !$config->get_boolean( 'cdn.enabled' ) )
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return null;
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$rewrite_rules = array();
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$rules = $this->rules_generate( $config );
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if ( strlen( $rules ) > 0 ) {
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if ( $config->get_string( 'cdn.engine' ) == 'ftp' ) {
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$common = Dispatcher::component( 'Cdn_Core' );
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$domain = $common->get_cdn()->get_domain();
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$cdn_rules_path = sprintf( 'ftp://%s/%s', $domain,
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Util_Rule::get_cdn_rules_path() );
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$rewrite_rules[] = array(
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'filename' => $cdn_rules_path,
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'content' => $rules
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);
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}
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$path = Util_Rule::get_browsercache_rules_cache_path();
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$rewrite_rules[] = array(
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'filename' => $path,
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'content' => $rules
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);
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}
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return $rewrite_rules;
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}
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/**
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*
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*
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* @param Config $config
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* @return array|null
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*/
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function get_instructions( $config ) {
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if ( !$config->get_boolean( 'cdn.enabled' ) )
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return null;
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$instructions = array();
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$instructions[] = array( 'title'=>__( 'CDN module: Required Database SQL', 'w3-total-cache' ),
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'content' => $this->generate_table_sql(), 'area' => 'database' );
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return $instructions;
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}
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/**
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* Generate rules for FTP
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*/
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public function rules_generate_for_ftp( $config ) {
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return $this->rules_generate( $config, true );
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}
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/**
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* Create tables
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*
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* @param bool $drop
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* @throws Util_Environment_Exception
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*/
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private function handle_tables( $drop, $create ) {
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global $wpdb;
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$tablename_queue = $wpdb->base_prefix . W3TC_CDN_TABLE_QUEUE;
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$tablename_map = $wpdb->base_prefix . W3TC_CDN_TABLE_PATHMAP;
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if ( $drop ) {
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$sql = "DROP TABLE IF EXISTS `$tablename_queue`;";
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$wpdb->query( $sql );
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$sql = "DROP TABLE IF EXISTS `$tablename_map`;";
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$wpdb->query( $sql );
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}
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if ( !$create ) {
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return;
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}
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$charset_collate = '';
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if ( ! empty( $wpdb->charset ) )
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$charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
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if ( ! empty( $wpdb->collate ) )
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$charset_collate .= " COLLATE $wpdb->collate";
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$sql = "CREATE TABLE IF NOT EXISTS `$tablename_queue` (
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`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
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`local_path` varchar(500) NOT NULL DEFAULT '',
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`remote_path` varchar(500) NOT NULL DEFAULT '',
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`command` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '1 - Upload, 2 - Delete, 3 - Purge',
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`last_error` varchar(150) NOT NULL DEFAULT '',
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`date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
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PRIMARY KEY (`id`),
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KEY `date` (`date`)
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) $charset_collate;";
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$wpdb->query( $sql );
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if ( !$wpdb->result )
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throw new Util_Environment_Exception( 'Can\'t create table ' .
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$tablename_queue );
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$sql = "
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CREATE TABLE IF NOT EXISTS `$tablename_map` (
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-- Relative file path.
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-- For reference, not actually used for finding files.
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path TEXT NOT NULL,
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-- MD5 hash of remote path, used for finding files.
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path_hash VARCHAR(32) CHARACTER SET ascii NOT NULL,
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type tinyint(1) NOT NULL DEFAULT '0',
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-- Google Drive: document identifier
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remote_id VARCHAR(200) CHARACTER SET ascii,
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PRIMARY KEY (path_hash),
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KEY `remote_id` (`remote_id`)
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) $charset_collate";
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$wpdb->query( $sql );
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if ( !$wpdb->result )
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throw new Util_Environment_Exception( 'Can\'t create table ' .
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$tablename_map );
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}
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private function generate_table_sql() {
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global $wpdb;
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$charset_collate = '';
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if ( ! empty( $wpdb->charset ) )
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$charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
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if ( ! empty( $wpdb->collate ) )
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$charset_collate .= " COLLATE $wpdb->collate";
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$sql = sprintf( 'DROP TABLE IF EXISTS `%s%s`;', $wpdb->base_prefix, W3TC_CDN_TABLE_QUEUE );
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$sql .= "\n" . sprintf( "CREATE TABLE IF NOT EXISTS `%s%s` (
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`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
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`local_path` varchar(500) NOT NULL DEFAULT '',
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`remote_path` varchar(500) NOT NULL DEFAULT '',
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`command` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '1 - Upload, 2 - Delete, 3 - Purge',
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`last_error` varchar(150) NOT NULL DEFAULT '',
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`date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
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PRIMARY KEY (`id`),
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KEY `date` (`date`)
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) $charset_collate;", $wpdb->base_prefix, W3TC_CDN_TABLE_QUEUE );
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return $sql;
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}
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/**
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* schedules
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*/
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/**
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* Unschedules cron events
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*/
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private function unschedule_queue_process() {
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if ( wp_next_scheduled( 'w3_cdn_cron_queue_process' ) ) {
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wp_clear_scheduled_hook( 'w3_cdn_cron_queue_process' );
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}
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}
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/**
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* Unschedule upload event
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*/
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private function unschedule_upload() {
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if ( wp_next_scheduled( 'w3_cdn_cron_upload' ) ) {
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wp_clear_scheduled_hook( 'w3_cdn_cron_upload' );
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}
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}
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/*
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* rules core modification
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*/
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/**
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* Writes directives to WP .htaccess
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*
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* @param Config $config
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* @param Util_Environment_Exceptions $exs
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* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
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*/
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private function rules_add( $config, $exs ) {
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Util_Rule::add_rules( $exs, Util_Rule::get_browsercache_rules_cache_path(),
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$this->rules_generate( $config ),
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W3TC_MARKER_BEGIN_CDN,
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W3TC_MARKER_END_CDN,
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array(
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W3TC_MARKER_BEGIN_MINIFY_CORE => 0,
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W3TC_MARKER_BEGIN_PGCACHE_CORE => 0,
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W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE => 0,
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W3TC_MARKER_BEGIN_WORDPRESS => 0,
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W3TC_MARKER_END_PGCACHE_CACHE => strlen( W3TC_MARKER_END_PGCACHE_CACHE ) + 1,
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W3TC_MARKER_END_MINIFY_CACHE => strlen( W3TC_MARKER_END_MINIFY_CACHE ) + 1
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)
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);
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}
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/**
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* Removes Page Cache core directives
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*
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* @param Util_Environment_Exceptions $exs
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* @throws Util_WpFile_FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
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*/
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private function rules_remove( $exs ) {
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Util_Rule::remove_rules( $exs,
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Util_Rule::get_browsercache_rules_cache_path(),
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W3TC_MARKER_BEGIN_CDN,
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W3TC_MARKER_END_CDN );
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}
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/**
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* Generates rules for WP dir
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*
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* @param Config $config
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* @param bool $cdnftp
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* @return string
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*/
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private function rules_generate( $config, $cdnftp = false ) {
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if ( Util_Environment::is_nginx() ) {
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$o = new Cdn_Environment_Nginx( $config );
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return $o->generate( $cdnftp );
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} elseif ( Util_Environment::is_litespeed() ) {
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$o = new Cdn_Environment_LiteSpeed( $config );
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return $o->generate( $cdnftp );
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} else {
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return $this->rules_generate_apache( $config, $cdnftp );
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}
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}
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private function rules_generate_apache( $config, $cdnftp ) {
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$rules = '';
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if ( $config->get_boolean( 'cdn.canonical_header' ) ) {
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$rules .= $this->canonical( $cdnftp,
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$config->get_boolean( 'cdn.cors_header') );
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}
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if ( $config->get_boolean( 'cdn.cors_header') ) {
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$rules .= $this->allow_origin( $cdnftp );
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}
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if ( strlen( $rules ) > 0 ) {
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$rules =
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W3TC_MARKER_BEGIN_CDN . "\n" .
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$rules .
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W3TC_MARKER_END_CDN . "\n";
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}
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return $rules;
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}
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private function canonical( $cdnftp = false, $cors_header = true ) {
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$rules = '';
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$mime_types = include W3TC_INC_DIR . '/mime/other.php';
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$extensions = array_keys( $mime_types );
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$extensions_lowercase = array_map( 'strtolower', $extensions );
|
||
|
|
$extensions_uppercase = array_map( 'strtoupper', $extensions );
|
||
|
|
$rules .= "<FilesMatch \"\\.(" . implode( '|',
|
||
|
|
array_merge( $extensions_lowercase, $extensions_uppercase ) ) . ")$\">\n";
|
||
|
|
|
||
|
|
$host = ( $cdnftp ? Util_Environment::home_url_host() : '%{HTTP_HOST}' );
|
||
|
|
$rules .= " <IfModule mod_rewrite.c>\n";
|
||
|
|
$rules .= " RewriteEngine On\n";
|
||
|
|
$rules .= " RewriteCond %{HTTPS} !=on\n";
|
||
|
|
$rules .= " RewriteRule .* - [E=CANONICAL:http://$host%{REQUEST_URI},NE]\n";
|
||
|
|
$rules .= " RewriteCond %{HTTPS} =on\n";
|
||
|
|
$rules .= " RewriteRule .* - [E=CANONICAL:https://$host%{REQUEST_URI},NE]\n";
|
||
|
|
$rules .= " </IfModule>\n";
|
||
|
|
$rules .= " <IfModule mod_headers.c>\n";
|
||
|
|
$rules .= ' Header set Link "<%{CANONICAL}e>; rel=\"canonical\""' . "\n";
|
||
|
|
$rules .= " </IfModule>\n";
|
||
|
|
|
||
|
|
$rules .= "</FilesMatch>\n";
|
||
|
|
|
||
|
|
return $rules;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns allow-origin rules
|
||
|
|
*/
|
||
|
|
private function allow_origin( $cdnftp = false ) {
|
||
|
|
$r = "<IfModule mod_headers.c>\n";
|
||
|
|
$r .= " Header set Access-Control-Allow-Origin \"*\"\n";
|
||
|
|
$r .= "</IfModule>\n";
|
||
|
|
|
||
|
|
if ( !$cdnftp )
|
||
|
|
return $r;
|
||
|
|
else
|
||
|
|
return
|
||
|
|
"<FilesMatch \"\.(ttf|ttc|otf|eot|woff|woff2|font.css)$\">\n" .
|
||
|
|
$r .
|
||
|
|
"</FilesMatch>\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
public function w3tc_browsercache_rules_section_extensions(
|
||
|
|
$extensions, $config, $section ) {
|
||
|
|
if ( Util_Environment::is_nginx() ) {
|
||
|
|
$o = new Cdn_Environment_Nginx( $config );
|
||
|
|
$extensions = $o->w3tc_browsercache_rules_section_extensions(
|
||
|
|
$extensions, $section );
|
||
|
|
} elseif ( Util_Environment::is_litespeed() ) {
|
||
|
|
$o = new Cdn_Environment_LiteSpeed( $config );
|
||
|
|
$extensions = $o->w3tc_browsercache_rules_section_extensions(
|
||
|
|
$extensions, $section );
|
||
|
|
}
|
||
|
|
|
||
|
|
return $extensions;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
public function w3tc_browsercache_rules_section( $section_rules, $config, $section ) {
|
||
|
|
if ( Util_Environment::is_litespeed() ) {
|
||
|
|
$o = new Cdn_Environment_LiteSpeed( $config );
|
||
|
|
$section_rules = $o->w3tc_browsercache_rules_section(
|
||
|
|
$section_rules, $section );
|
||
|
|
}
|
||
|
|
return $section_rules;
|
||
|
|
}
|
||
|
|
}
|